Ahmed   Tewfik
Ahmed Tewfik
University of Texas at Austin, Cockrell Family Regents Chair in Engineering and Chairman, Department
Verified email at austin.utexas.edu
TitleCited byYear
Multimedia data-embedding and watermarking technologies
MD Swanson, M Kobayashi, AH Tewfik
Proceedings of the IEEE 86 (6), 1064-1087, 1998
14761998
Digital watermarks for audio signals
L Boney, AH Tewfik, KN Hamdy
Proceedings of the Third IEEE International Conference on Multimedia …, 1996
8481996
Robust audio watermarking using perceptual masking
MD Swanson, B Zhu, AH Tewfik, L Boney
Signal processing 66 (3), 337-355, 1998
6831998
Transparent robust image watermarking
MD Swanson, B Zhu, AH Tewfik
Proceedings of 3rd IEEE International Conference on Image Processing 3, 211-214, 1996
6001996
Multiresolution scene-based video watermarking using perceptual models
MD Swanson, B Zhu, AH Tewfik
IEEE Journal on selected areas in communications 16 (4), 540-550, 1998
5201998
Correlation structure of the discrete wavelet coefficients of fractional Brownian motion
AH Tewfik, M Kim
IEEE transactions on information theory 38 (2), 904-909, 1992
4341992
Low bit rate transparent audio compression using adapted wavelets
D Sinha, AH Tewfik
IEEE Transactions on signal processing 41 (12), 3463-3479, 1993
3681993
Method and apparatus for embedding data, including watermarks, in human perceptible sounds
AH Tewfik, MD Swanson, B Zhu, L Boney
US Patent 6,061,793, 2000
3512000
A construction of a space-time code based on number theory
MO Damen, A Tewfik, JC Belflore
IEEE Transactions on Information Theory 48 (3), 753-760, 2002
3452002
On the optimal choice of a wavelet for signal representation
AH Tewfik, D Sinha, P Jorgensen
IEEE Transactions on information theory 38 (2), 747-765, 1992
3261992
Robust data hiding for images
MD Swanson, B Zhu, AH Tewfik
1996 IEEE Digital Signal Processing Workshop Proceedings, 37-40, 1996
3081996
Geometric invariance in image watermarking
M Alghoniemy, AH Tewfik
IEEE Transactions on Image Processing 13 (2), 145-153, 2004
3072004
Method and apparatus for embedding data, including watermarks, in human perceptible images
AH Tewfik, MD Swanson, B Zhu
US Patent 6,031,914, 2000
2762000
When seeing isn't believing [multimedia authentication technologies]
BB Zhu, MD Swanson, AH Tewfik
IEEE Signal Processing Magazine 21 (2), 40-49, 2004
2442004
Digital watermarking to resolve multiple claims of ownership
AH Tewfik, MD Swanson, B Zhu
US Patent 6,272,634, 2001
2412001
Method and apparatus for scene-based video watermarking
AH Tewfik, MD Swanson, B Zhu
US Patent 6,226,387, 2001
2092001
Data hiding for video-in-video
MD Swanson, B Zhu, AH Tewfik
Proceedings of International Conference on Image Processing 2, 676-679, 1997
1911997
Multimedia data embedding
A Tewfik, MD Swanson, B Zhu
US Patent 6,442,283, 2002
1852002
Geometric distortion correction through image normalization
M Alghoniemy, AH Tewfik
2000 IEEE International Conference on Multimedia and Expo. ICME2000 …, 2000
1722000
Audio-visual content-based violent scene characterization
J Nam, M Alghoniemy, AH Tewfik
Proceedings 1998 International Conference on Image Processing. ICIP98 (Cat …, 1998
1671998
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